... STEEL PIPEASTM/ASMESEAMLESSA/SA53 GR.BA/SA106 GR.B,A/SA106 GR.CAPISEAMLESSAPI 5L-B, X42, X52, X56, X60, X65JISSEAMLESSSTPG370, STPG410, ... , C60, C65 etc..A134-A283, A134-A285 etc..APIWELDEDAPI 5L-B, X42, X52, X56, X60, X65JISWELDEDSTPG370, STPY400, STK400, STK490KSWELDEDSPPS38, SPPLOW TEMPERATURE ... (30% in advance, the balance against with the copy of B/L) API 5L Gr.B /X45/X52/X60 Seamless Steel Tube